Product screens: Google Workspace, Apollo, Lavender and Outreach official pages
I have worked in IT for about twenty years, and small business owners and salespeople ask me the same thing every few months: which AI email assistant is actually worth setting up? My answer starts with a question back. Do you want help writing one good email, or do you want a system that sends hundreds and logs everything in a CRM? Those are two different jobs, and mixing them up is the most common way people waste money on these tools.
This guide follows the searches people run next on Google (free tools, Gmail, Outlook, email management and organizers) and gives one clear answer for each. The picks come from the vendors' own help pages and pricing pages plus one dated comparison guide, and I say where each fact came from.
Quick answer- Already in Gmail: try Gemini in Gmail first. Google's help page says "Help me write" drafts and refines emails and can pull details from your other emails and Drive files.
- Already in Outlook: start with Copilot in Outlook for drafting. If you sell with a CRM, look at the Microsoft Sales agent.
- Better emails from reps, no new platform: Lavender scores and coaches emails inside the inbox.
- Small outbound team on a budget: Apollo combines data, sequences and AI writing, and its free plan has no time limit.
- CRM-first team: HubSpot Sales Hub keeps AI drafts, sequences and records in one place.
- Larger teams with process and approvals: Outreach and Salesloft.
Jump to: Best overall | Free | Gmail | Outlook | Email management | Organizer | By email client and CRM | Deliverability and the law | Final pick | FAQ
Best AI Email Assistant for Sales
It helps to sort these tools into three groups before you compare names. Inbox helpers such as Gemini in Gmail and Copilot in Outlook draft, rewrite and summarize inside the mail app you already use. Email coaches such as Lavender score what a rep wrote and suggest fixes. Sales engagement platforms such as HubSpot, Apollo, Outreach and Salesloft also run sequences, tasks and CRM sync. A comparison guide from the email client company Mailbird (read October 25, 2026, undated) makes the same split and says the core trade-off is speed versus control. Mailbird sells its own email client, so treat its ranking as one opinion.
Image: Apollo (official page)
For a small outbound team, Apollo is the easiest all-in-one starting point in the sources I read. Apollo's own help article says its writing assistant can generate subjects, email copy and personalized openers, rephrase text you highlight, and score an email you write to an individual contact. It recommends aiming for a score of 90 percent or higher. Two limits are worth knowing: the assistant supports English only, and each person gets 50 AI email generations per 24 hours.
Image: Apollo (official page)
Image: Apollo (official page)
Apollo's pricing page (read October 25, 2026) describes four tiers: Free, Basic, Professional and Custom. Free is for exploring or very light use, Basic adds email sequencing and core integrations for individual sellers who do regular outbound, and Professional adds higher credit limits, AI features and call recording. The page also says credits do not roll over, so unused credits expire at the end of each billing cycle. Paid per-seat prices were not in the page text I could read. The Mailbird guide lists paid plans from $49 per seat per month billed annually, then $79 and $119, so check Apollo's page before you plan a budget.
Image: Apollo (official page). This screen is Apollo's calling feature, not email.
Who should pick Apollo Small outbound teamsYou want contact data, sequences and an AI writing assistant under one login. Skip it if you only want a sharper writing helper, because the platform can feel crowded, as the Mailbird guide points out. It is also the wrong pick if most of your email is in a language other than English.
My take (20 years in IT): Most sales email problems are list problems, not writing problems. A perfect AI draft sent to the wrong person is still the wrong email. Before you pay for any assistant, clean the list you plan to send to, and decide who reviews every message before it goes out.
Image: Salesloft (official page)
The bigger platforms sit one level above the writing helpers. HubSpot Sales Hub keeps AI drafting, sequences and CRM records together. HubSpot's pricing page (October 25, 2026) lists Sales Hub Starter at $7 per seat per month, Professional at $90 and Enterprise at $150, and says the Free tier is free for up to two users with no credit card. On the Free tier, one-to-one emails carry HubSpot branding. The Mailbird guide adds that HubSpot's Prospecting Agent uses HubSpot Credits, so the true cost is more than the seat price. I could not open HubSpot's AI agent page directly, so check that detail on HubSpot's site.
Salesloft and Outreach are aimed at larger revenue teams. The Mailbird guide says both are quote-based with a sales-led setup, and that Salesloft's AI Email Assistant draws on research, buyer signals and your own knowledge library. In my reading, those are platforms you buy after you have a process, not before.
Free AI Email Assistant for Sales
"Free" means three different things in these tools. It can mean a real free plan, a free trial, or a free feature inside something you already pay for. Here is what the pages I read actually say.
- Apollo: the pricing page says you can move to a free Starter plan that "stays free with no time limit". Email campaigns are included on every account, but free plans connect Gmail accounts only. Paid plans can connect Microsoft Office or other providers.
- HubSpot Sales Hub Free: free for up to two users per the pricing page, with HubSpot branding on one-to-one emails. Whether the AI drafting features are included on Free is not something I could confirm.
- Lavender: the Mailbird guide says it is free to try, with Starter at $29 per month, Individual Pro at $49 and Team at $99 per seat per month. I could not open Lavender's own pricing page (it returned an error), so verify those numbers there.
- Gemini in Gmail: Google's help page says "Help me write" is available with an eligible Google Workspace or Google AI plan, and with a personal Google Account in supported languages but only in the US.
Image: Lavender (official page)
Image: Lavender (official page)
AI Email Assistant for Gmail
Image: Google Workspace (official page)
If your team lives in Gmail, Gemini is the zero-install option. Google's help page walks through it: open Compose, click "Help me write", type a prompt, and click Create. You can then refine the draft with options such as Formalize, Friendly and Shorten, or with your own instruction. Google's tip is to make the prompt specific. Name the person, state the action you need, and say whether you want a formal or casual tone.
Image: Google Workspace (official page)
One detail matters for sales. Google says "Help me write" takes details from your other emails and Drive files to personalize a draft, and a Sources button shows which ones it used. That is helpful for follow-ups, because the context is already in the thread. It also means you should read the draft closely, since the model may pull in a detail you did not mean to share. Google's own page warns that Gemini features may suggest inaccurate or inappropriate information.
Image: Google Workspace (official page)
Image: Google Workspace (official page)
Image: Google Workspace (official page)
Gemini does not run sequences, track replies across a list, or write back to a CRM. For that, sales teams add a layer on top. Lavender says it works in Gmail and Outlook as well as with Outreach, Salesloft, HubSpot, Apollo, Groove and Gong. Outreach has a Gmail extension that adds an "Assist" button to the compose window.
Image: Lavender (official page)
Image: Lavender (official page)
Image: Outreach (official support page)
Who should pick Gemini in Gmail Gmail teamsYou write most emails yourself and want faster first drafts and thread summaries without a new tool. Skip it if you need sequences, reply reporting or CRM logging, because that is a different category of software.
Image: Google Workspace (official page)
AI Email Assistant for Outlook
Outlook has two layers. Copilot in Outlook is the general drafting helper. Microsoft's support page (dated June 29, 2026) says that in new Outlook you start a message, choose the Copilot icon, select Draft, type a prompt and select Generate. You can change length and tone, try again, or pick Keep it, then edit and send. The page notes that Draft with Copilot does not support messages composed in plain text, and tells you to check with your IT admin if Copilot is not available.
The second layer is the Microsoft Sales agent, which is for sellers who use a CRM. Microsoft's documentation says it brings insights from Dynamics 365 Sales or Salesforce into Outlook and Teams for email drafting, follow-ups and next-step recommendations. A Microsoft 365 admin role is required to install it, and data sharing with a third-party CRM is not enabled until administrators and users consent. It is not supported in the Government Community Cloud.
Image: Microsoft Learn (official documentation)
Image: Microsoft Learn (official documentation)
The Mailbird guide says CRM-enriched email summaries depend on the email being external, matching a CRM contact, having enough text and not being encrypted. It lists Dynamics 365 Sales from $65 per user per month, but Microsoft's documentation says licensing requirements apply, so confirm your exact setup before buying.
If your sales team already uses Outreach, its Smart Email Assist works from an Outlook add-in too. Outreach's support article says Assist drafts first emails, replies and meeting follow-ups, generates three versions for you to choose from, and is turned off by default until an admin enables it.
Image: Outreach (official support page)
Image: Outreach (official support page)
My take (20 years in IT): In Outlook shops, the real work is IT approval, not the AI itself. Ask your admin early about licensing, CRM consent and which accounts will see the add-in. A pilot that waits three weeks for permissions teaches you nothing about the tool.
AI for Email Management Free
People who search this usually have a messy inbox rather than a sales pipeline. The free options in what I read are the ones already built into your mail app. Google lists summarizing an email thread and asking Gemini about details in your inbox as part of Gemini in Gmail (on eligible plans), and Copilot in Outlook has its own pages for summarizing a thread and email coaching. I did not open those two Microsoft pages, so check them directly.
Image: Google Workspace (official page)
Image: Google Workspace (official page)
For sales, the useful habit is simple. Ask the assistant to summarize a long thread before you reply, then check the summary against the original for names, dates and numbers. Do not paste confidential customer data into a tool your company has not approved.
Best AI Email Organizer
A true "organizer" that sorts and labels mail for you is a different product from a sales assistant. In the pages I read, the sales tools do their sorting through sequences and task lists rather than folders. Outreach and Salesloft organize work into tasks and cadences, and Apollo organizes it into sequences. If your problem is a crowded inbox, a built-in summary or a separate inbox client is the better fit. Mailbird markets such a client and says it combines accounts in one view, which is a vendor claim I did not test.
Image: Outreach (official support page)
Image: Outreach (official support page)
Image: Outreach (official support page)
Which Tool Fits Your Email Client and CRM
The Google "People also ask" box for this search asks what email client or CRM you use, and that is the right question. Match the tool to the place you already work.
- Gmail only, no CRM: Gemini in Gmail for drafts, Lavender if you want a score on each email.
- Outlook only, no CRM: Copilot in Outlook for drafts. Lavender also lists Outlook support.
- Outlook with Dynamics 365 Sales or Salesforce: Microsoft Sales agent.
- HubSpot as your CRM: HubSpot Sales Hub, and Lavender lists a HubSpot integration.
- No CRM yet, outbound focus: Apollo.
- Existing Outreach or Salesloft contract: use the AI inside that platform before adding another tool.
Deliverability, Privacy and the Law
This is the part that costs real money when it goes wrong, and AI makes it easier to get wrong because you can send more. Google's sender guidelines for Gmail (read October 25, 2026) say that since February 1, 2024 all senders must set up SPF or DKIM, use TLS, and keep the spam rate reported in Postmaster Tools below 0.3 percent. Google also says to keep it below 0.10 percent and never reach 0.30 percent. Senders of more than 5,000 messages per day to Gmail accounts need SPF, DKIM and DMARC, plus one-click unsubscribe for marketing and subscribed messages. The same page says not to buy email addresses and to avoid sudden volume spikes.
On the legal side, the FTC's CAN-SPAM guide says the law covers all commercial email, not just bulk email, and makes no exception for business-to-business email. It says not to use false or misleading header information, and it states penalties of up to $53,088 per violating email. Read the full guide. This is general information and not legal advice.
On privacy, rely on what each vendor says on its own pages and verify it. Outreach says Smart Email Assist uses Azure OpenAI and that customer data is not used to train those models. Lavender says it is SOC 2 certified and GDPR compliant and notes that IT may need to review how it authenticates with your email provider. Those are vendor claims, not independent audits. Outreach also says meeting times that Assist suggests are placeholders, not pulled from your calendar, and tells users to always review generated emails for accuracy and tone.
My take (20 years in IT): AI changes how fast you write, not what the mailbox providers expect. If a campaign would worry you without AI, it will worry you with it. Check authentication on your sending domain before the first message, and keep volume steady.
How to Test One Before You Roll It Out
- Pick one email client and one use case, such as first-touch emails or follow-ups.
- Run a short pilot with real reps and real mailboxes. The Mailbird guide suggests comparing reply quality, time to send, CRM cleanliness and bounce or spam trends, not just how fast the AI writes.
- Require a human to read every message before it sends.
- Check what syncs back to your CRM: sent emails, replies, notes and ownership.
- Keep it only if it saves time or improves replies on your own data.
Quick Comparison
| Tool | Best for | Works with | Cost note | Link |
|---|
| Gemini in Gmail | Drafting and summaries in Gmail | Gmail | Eligible Workspace or Google AI plan, or US personal account (Google Help) | Visit site |
| Copilot in Outlook | Drafting in Outlook | Outlook | Check with your IT admin (Microsoft Support) | Visit site |
| Microsoft Sales agent | Outlook sellers with a CRM | Outlook, Teams; Dynamics 365 Sales or Salesforce | Licensing requirements apply (Microsoft Learn) | Visit site |
| Lavender | Better rep-written emails | Gmail, Outlook, major sales tools | Free to try; paid from $29 per month (Mailbird, unverified) | Visit site |
| Apollo | Small outbound teams | Gmail on free plan; Microsoft on paid | Free plan; paid from $49 per seat (Mailbird, unverified) | Visit site |
| HubSpot Sales Hub | CRM-first teams | HubSpot CRM | Free; $7, $90, $150 per seat per month (HubSpot pricing page) | Visit site |
| Outreach | Process-heavy teams | Web app, Gmail extension, Outlook add-in | Quote-based per Mailbird; availability depends on plan | Visit site |
| Salesloft | Larger revenue teams | Sales stack with CRM sync | Quote-based per Mailbird | Visit site |
Final Recommendation
Frequently Asked Questions
What is the best free AI email assistant for sales?
It depends on where you write email. Gemini in Gmail is the simplest if you have an eligible Google plan or a US personal account. Apollo has a free plan with no time limit, and HubSpot Sales Hub has a free tier for up to two users. Compare them on your own emails.
Can AI-written cold email hurt deliverability?
Yes, if it leads to repetitive copy, poor lists or sudden volume spikes. Google says to keep your spam rate below 0.10 percent and never reach 0.30 percent, to authenticate your domain, and to avoid buying email addresses.
Does Gemini in Gmail work for sales emails?
It can draft and refine emails, and Google says it can use details from your other emails and Drive files. It does not run sequences or log to a CRM, so treat it as a writing helper.
Do I need a CRM to use an AI email assistant?
No. Drafting tools work without one. You need a CRM or sales platform once you want sequences, reply tracking and consistent logging.
Is AI cold email legal in the US?
The FTC says CAN-SPAM covers all commercial email, including business-to-business messages, and rules out false or misleading headers. This is general information, not legal advice, so ask a lawyer about your own campaign.
Sources
- Google, Draft emails with Gemini in Gmail (Gmail Help), read October 25, 2026
- Google Workspace, Gemini in Gmail
- Google, Email sender guidelines (Gmail Help), read October 25, 2026
- FTC, CAN-SPAM Act: A Compliance Guide for Business (page dated August 2023)
- Microsoft Support, Draft an email message with Copilot in Outlook (dated June 29, 2026)
- Microsoft Learn, Welcome to Sales agent
- Microsoft Learn, View and save email summaries to your CRM
- Outreach Support, Smart Email Assist overview
- Lavender, Coach overview
- Apollo, pricing
- Apollo Knowledge Base, Use the Writing Assistant to Compose Emails
- HubSpot, Sales software pricing
- Salesloft, Sales engagement software
- Mailbird, 7 Best AI Email Assistants for Sales Teams in 2026 (vendor guide, undated, read October 25, 2026)
Product images come from the vendors' official pages and documentation, are cropped and framed here, and belong to their owners.
Last updated: October 25, 2026. Sources read October 25, 2026.
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